module ex3_fbctl_rfe(
  input         i_second_word,
  output        o_fb,
  output        o_cpsr_we,
  output        o_pc_we
);

assign o_fb = ~(i_second_word);
assign o_cpsr_we = i_second_word;
assign o_pc_we = ~i_second_word;

endmodule
